National Dental Examining Board of Canada (NDEB) Practice Exam 2025 - Free NDEB Practice Questions and Study Guide

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In permanent molars, acute pulpitis of 24-hour duration, what does the radiograph show?

Widened periodontal ligament space

Loss of lamina dura

Normal appearance

Acute pulpitis is inflammation of the pulp of a tooth, which may be caused by trauma or infection. In permanent molars, it is characterized by severe and sudden onset pain, often lasting for 24 hours. In such cases, the radiograph typically shows a normal appearance, as there is no evidence of periodontal ligament space widening, loss of lamina dura, or periapical radiolucency. These findings would instead be suggestive of other, more severe conditions, such as periodontal disease or periapical pathology. Therefore, in the case of acute pulpitis of 24-hour duration in permanent molars, a normal appearance on radiograph is expected.

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Periapical radiolucency

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